Question

In the diagram below, BC is an altitude of ABD. What is the length of CD? If necessary, round your answer to two decimal places.

Answer 1

diagram please

Answer 2

CD * AC = BC^2
solve for CD

Answer 3

12.9?

Answer 4

hello?

Answer 5

how you got that ?

Answer 6

I squared 5 which is 15 then since you said BC^ was 12 I sqaured that and then i subtracted 144-25?

Answer 7

25*

Answer 8

CD * AC = BC^2
CD * 5 = 12^2
5CD = 144
CD = 144/5 = ... ?

Answer 9

28.8?

Answer 10

yup, that's right

Answer 11

just 28.8? I dont round or anything? It look weird to me